CN212273070U

CN212273070U - Blade type shock wave resisting valve and blade type bidirectional shock wave resisting valve

Info

Publication number: CN212273070U
Application number: CN202021286223.6U
Authority: CN
Inventors: 刘亚; 魏小龙; 徐世林; 韦建树; 杨光
Original assignee: Shanghai Juege Industrial Engineering Co ltd
Current assignee: Shanghai Juege Industrial Engineering Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-01-01
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a ripples valve and two-way ripples valve that shocks resistance of vane type shocks resistance, it includes: the blade assembly comprises a frame and a plurality of groups of blade assemblies arranged in the frame, wherein each group of blade assemblies comprises a blade, a support shaft and a support spring, two ends of the support shaft are fixedly connected with the frame, each blade comprises a blade root and a blade body, the support shaft penetrates through a round hole in the blade root, and one end of each support spring is fixed while the other end of each support spring is supported and limited on the blade body; the support shafts in all the blade assemblies are parallel to each other, all the blade bodies are parallel to each other under the action of the support springs, and a ventilation channel is formed between every two adjacent blades; when the blades rotate and close against the action of the supporting spring under the action of shock waves or tornadoes, all the blades are mutually connected to form a blocking part for closing the frame. The utility model discloses a parallel blade forms many ventilation channels, can realize increasing the air volume in limited installation space under guaranteeing shock wave resistance.

Description

Blade type shock wave resisting valve and blade type bidirectional shock wave resisting valve

Technical Field

The utility model relates to a ripples valve shocks resistance especially relates to a ripples valve shocks resistance of vane type.

Background

At present, HVAC systems must be considered in the design of control rooms and the like in the industries of petrochemical industry, nuclear power and the like, and the national standard stipulates that an anti-shock wave valve must be arranged at a vent of an anti-shock valve building to resist the external shock waves to protect the safety of indoor personnel and equipment. When the shock wave comes, the shock wave valve can be closed instantly to block the shock wave outdoors, and when the shock wave disappears, the shock wave valve can automatically reset under the action of the spring to ventilate normally.

The shock wave resistant valves on the market today are mainly modular. The modular shock wave resistant valve can realize bidirectional anti-explosion, such as a modular double-side shock resistant closed tornado valve disclosed in CN 106766062A; however, the vent area of the modular shock wave resistant valve is small and, in the same case, the size of the valve is large. In some special occasions such as smoke exhaust, mechanical ventilation and the like, under the condition that the air quantity is large, but the size of an installed wall body is not large, the modular shock wave resistant valve is not suitable.

Therefore, there is a need for a valve that is relatively small in size, capable of meeting ventilation requirements, and capable of withstanding positive and negative pressure shock waves.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings in the prior art, the to-be-solved technical problem of the present invention is to provide a vane type shock wave resisting valve and a vane type bidirectional shock wave resisting valve, which solves the problem that the ventilation volume of the shock wave resisting valve in the prior art is related to the installation space and is very small when the installation space is very small.

In order to solve the technical problem, the utility model provides a vane type shock wave resistance valve, it includes:

the frame is provided with a plurality of frame bodies,

the blade assembly comprises a plurality of groups of blade assemblies arranged in a frame, each group of blade assemblies comprises a blade, a support shaft and a support spring, two ends of the support shaft are fixedly connected with the frame, each blade comprises a blade root and a blade body, the support shaft penetrates through a round hole in the blade root, and one end of each support spring is fixed while the other end of each support spring is supported and limited on the blade body;

the support shafts in all the blade assemblies are parallel to each other, all the blade bodies are parallel to each other under the action of the support springs, and a ventilation channel is formed between every two adjacent blades; when the blades rotate and close under the action of shock waves or tornadoes against the action of the supporting springs, all the blades are mutually connected to form a blocking part for closing the frame;

the linkage assembly comprises a linkage rod which is arranged in the direction perpendicular to the supporting shaft, the blade root is provided with a bending part which is bent towards the opposite side of the blade body, the bending part is connected with the linkage rod, and when at least one blade rotates, the linkage rod is driven to move so as to enable all the blades to synchronously move.

Preferably, the inner wall of the frame is provided with a blocking plate for limiting the rotation angle of the blade.

Preferably, the blade is divided into one or more sections in an axial direction of the support shaft.

Preferably, the blade assembly is arranged at one end of the frame, all the blade bodies are positioned in the frame, and the other end of the frame is provided with a grid.

Preferably, the outer wall of the frame is provided with a hanging hole.

Preferably, a supporting column perpendicular to the supporting shaft is arranged in the frame.

Preferably, the blade has a stopper portion for stopping the support spring.

The utility model also provides a two-way shock wave valve that shocks resistance of vane type, it includes two as above arbitrary vane type shock wave valve, and two the frame is fixed side by side.

Preferably, the installation positions of the blades in the two blade type shock wave resistant valves are in one-to-one correspondence and are arranged in the opposite direction, and the ventilation channels communicated with each other in the two blade type shock wave resistant valves are linear.

Preferably, the installation positions of the blades in the two blade type shock wave resistant valves are in one-to-one correspondence and are symmetrically arranged, and the ventilation channels communicated with each other in the two blade type shock wave resistant valves are in a zigzag shape.

As mentioned above, the utility model discloses a vane type shock wave resistant valve has following beneficial effect: a plurality of parallel support shafts are transversely arranged in the frame and are arranged on the support shafts through the rotation of the blades, and the support shafts do not move the blades to rotate, so that the thickness of the whole blade type shock wave resistant valve can be reduced, and a plurality of ventilation channels are formed through the parallel blades, and the ventilation quantity can be increased in a limited installation space under the condition of ensuring the shock wave resistant performance.

Drawings

FIG. 1 is a front view of a blade shock wave resistant valve according to the present invention;

FIG. 2 is a cross-sectional view taken along line BB of FIG. 1;

FIG. 3 is a longitudinal cross-sectional view of the blade shock wave resistant valve of the present invention;

FIG. 4 is another longitudinal cross-sectional view of the blade shock wave resistant valve of the present invention;

fig. 5 is a close-up view of the blade-type shock wave resistant valve of the present invention.

Fig. 6 is a schematic view of a blade-type bi-directional shock wave resistant valve according to the present invention.

Fig. 7 is a close-up view of the blade-type bi-directional shock wave damper of the present invention.

Description of the element reference numerals

1 frame

2 blade

21 bending part

3 support shaft

4 support spring

5 support column

6 lifting hole

7 linkage rod

8 bolt

9 baffle plate

10 position limiting part

100 ventilation channel

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a blade type shock wave resistant valve, which includes:

the frame is provided with a plurality of frame bodies,

the blade assembly comprises a plurality of groups of blade 2 assemblies arranged in a frame 1, each group of blade assemblies comprises a blade, a support shaft 3 and a support spring 4, two ends of each support shaft are fixedly connected with the frame 1, each blade comprises a blade root and a blade body, each support shaft penetrates through a round hole in the blade root, and one end of each support spring is fixed while the other end of each support spring is supported and limited on the blade body;

the support shafts 3 in all the blade assemblies are parallel to each other, all the blade bodies are parallel to each other under the action of the support springs 4, and ventilation channels are formed between the adjacent blades; when the blades 2 rotate and close under the action of shock waves or tornadoes against the action of the supporting springs 4, all the blades 2 are mutually connected to form a blocking part for closing the frame 1;

the linkage assembly comprises a linkage rod 7 which is arranged in the direction perpendicular to the supporting shaft 3, the blade root is provided with a bending part 21 which is bent towards the opposite side of the blade body, the bending part 21 is connected with the linkage rod 7, and when at least one blade 2 rotates, the linkage rod 7 is driven to move so as to enable all the blades 2 to synchronously move.

In the bending part, a plurality of parallel support shafts 3 are transversely arranged in the frame 1, the support shafts 3 are arranged on the support shafts 3 through the rotation of the blades 2, and the support shafts 3 do not move the rotation of the blades 2, so that the thickness of the whole blade type shock wave resistant valve can be reduced, as shown in figure 4, and a plurality of ventilation channels are formed through the parallel blades 2, so that the ventilation quantity can be increased in a limited installation space, and the applicability of the blade type shock wave resistant valve is improved; when the blades are rotated and closed by the action force of the shock wave, all the blades can be synchronously rotated due to the existence of the linkage rod 7, all the ventilation channels are instantly closed, and the shock wave resistant effect is achieved as shown in figure 5.

The frame 1 in this embodiment has a rectangular structure, and may be circular or the like, and may be set according to the use environment. For convenience of description, in the present embodiment, the frame 1 is rectangular, the width direction of the frame is consistent with the extending direction of the supporting shaft 3, the length direction of the frame is consistent with the extending direction of the linkage rod 7, the blade 2 rotates in the length direction, the length direction is defined as the up-down direction, the width direction is defined as the left-right direction, and the thickness direction (i.e. the thickness of the frame) is defined as the front-back direction. For improving shock wave resistance, see fig. 4 and show, this embodiment is equipped with spacingly at the inner wall of frame 1 the barrier plate 9 of 2 turned angle of blade, and all blade subassembly set gradually by last to down promptly, and above-mentioned ventilation passageway is closed when the blade is rotatory from top to bottom, is located the laminating of the top inner wall of the blade of the top and frame, and above-mentioned barrier plate 9 is located on the bottom inner wall of frame 1, and it can block the rotation of blade 2, and realizes sealing whole frame with the cooperation of blade 2, improves shock wave resistance.

In this embodiment, two ends of each support shaft 3 are provided with threads and are fixed to the frame 1 by nuts. Blade 2 is square blade in this embodiment, and the edge adopts the hem to strengthen the bulk strength of blade 2, has the through-hole above the hem at blade both ends, and back shaft 3 passes the through-hole, and the blade can rotate round back shaft 3. The blade 2 may be formed as one piece along the axial direction of the support shaft 3, or may be formed by combining a plurality of pieces.

In this embodiment, each blade assembly is disposed at one end of the frame 1, for example, at the front end, all the blades are located in the frame 1, and a grid is disposed at the other end (for example, the rear end) of the frame 1. The grating is arranged on the outer side of the blade and used for preventing the flying objects from damaging the internal structure of the blade type shock wave resistant valve.

In this embodiment, the outer wall of the frame 1 is provided with a lifting hole 6, which is convenient for lifting. In order to enhance the strength of the entire blade-type anti-shockwave valve, in this embodiment, a support pillar 5 perpendicular to the support shaft 3 is provided in the frame 1, and one end of the support spring 4 is fixed to the support pillar 5. The support column 5 can be a long-strip-shaped steel plate with two ends installed on the frame 1, is installed in front of the support shaft 3 and the blade 2, namely is located on the outer side of the frame 1, and the two ends are of bending structures and are provided with holes and fixed on the frame through bolts and nuts.

The supporting spring 4 in this embodiment is a shaped spring, as shown in fig. 2, a main body portion of the supporting spring is inserted into the supporting shaft 3, two ends of the supporting spring extend to a lower portion of the blade body to support the blade, and a middle portion of the supporting spring is clamped in a groove of the supporting post 5. In order to limit the support spring 4 from sliding left and right on the blade, a limiting portion 10, such as a raised limit stop, or a limiting hole or a limiting groove, is disposed on the blade in this embodiment to limit the movement of the end of the support spring, thereby ensuring the good performance of the valve. When the shock wave comes, the blade 2 is closed, the supporting spring 4 is compressed, and after the shock wave disappears, the blade 2 can automatically reset under the action of the supporting spring 4.

In order to better link all the blades, the link rod 7 in this embodiment may be a long strip-shaped flat steel, and is connected to the end of the blade root of each blade 2, so as to ensure that all the blades move together. The linkage rod 7 is provided with two pieces which are respectively arranged between the two ends of the blade 2 and the frame 1. The linkage rod 7 and the blade 2 can be connected through a bolt 8. The blade root of the blade 2 is bent and extended to form a bending part which has the function of a rotating arm with the blade body, when the blade body is under the action of shock wave, the blade body rotates downwards to be closed, the bending part rotates upwards to drive the linkage rod 7 to move upwards, and then the linkage rod 7 drives all the blades to rotate, so that synchronous motion is realized.

The utility model also provides a two-way ripples valve that shocks resistance of vane type, it includes two as above arbitrary the vane type ripples valve that shocks resistance, see figure 6 and figure 7 show, and two frames 1 are fixed side by side, and above-mentioned vane subassembly is located the middle department of the two-way ripples valve that shocks resistance of vane type. In the embodiment, two blade type shock wave resisting valves are fixed side by side, so that bidirectional shock wave resisting is realized. Two layers of the above-mentioned blades 2 are arranged in the valve, and can resist positive pressure shock waves and negative pressure shock waves. The normal ventilation state is maintained, as shown in fig. 6, the ventilation channel 100 is through; when a positive pressure shock wave comes (such as the left shock wave in fig. 7), the left blade 2 is closed instantaneously; when negative pressure shock waves (such as the right shock waves in fig. 7) come, the right blades are closed instantly, so that the shock waves are effectively reduced, and the safety of personnel and equipment is protected.

In order to improve the ventilation capacity, the installation positions of the vanes 2 in the two vane-type anti-shock wave valves are arranged in a one-to-one correspondence and in a reverse direction in the embodiment, and the ventilation channels 100 communicated with each other in the two vane-type anti-shock wave valves are linear, so that the bidirectional ventilation is facilitated.

Or the installation positions of the blades in the two blade type shock wave resistant valves are in one-to-one correspondence and are symmetrically arranged, and the ventilation channels communicated with each other in the two blade type shock wave resistant valves are in a broken line shape.

The blade type shock wave resisting valve of the embodiment has at least the following beneficial technical effects:

1. the embodiment can meet the requirements of being installed in the areas where (positive pressure and negative pressure) shock waves are likely to occur in the occasions of air inlet, air exhaust, smoke exhaust, air supplement and the like, and has no installation limitation.

2. In the embodiment, when the shock wave comes, the shock wave can be quickly closed without being driven by electric components such as an actuator and the like, and the shock wave is blocked.

3. In the embodiment, after the shock wave passes and the pressure difference is reduced, the blade 2 automatically resets under the action of the supporting spring 4 to recover normal ventilation. The embodiment can save energy and adapt to the environment without a power supply or an air source.

4. The exterior of this embodiment may be configured with a grille that can withstand the impact of flying objects.

5. The effective ventilation area of this embodiment increases, and ventilation capacity is strong, and the coefficient of resistance is little.

6. The opening angle of the vanes of the embodiment can be properly adjusted, and requirements under different working conditions are met.

7. The embodiment adopts an all-metal structure and does not have any rubber or plastic stool material.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A blade-type shock wave resistant valve comprising:

the frame is provided with a plurality of frame bodies,

2. The blade-type shockwave damper according to claim 1, wherein: and the inner wall of the frame is provided with a stop plate for limiting the rotation angle of the blade.

3. The blade-type shockwave damper according to claim 1, wherein: the blade is divided into one or more sections along the axial direction of the supporting shaft.

4. The blade-type shockwave damper according to claim 1, wherein: the blade assembly sets up the one end of frame, all the blade is located the frame, is equipped with the grid at the other end of frame.

5. The blade-type shockwave damper according to claim 1, wherein: and the outer wall of the frame is provided with a lifting hole.

6. The blade-type shockwave damper according to claim 1, wherein: and a supporting column vertical to the supporting shaft is arranged in the frame.

7. The blade-type shockwave damper according to claim 1, wherein: the blade is provided with a limiting part for limiting the supporting spring.

8. A vane type bidirectional shock wave resistant valve is characterized in that: comprising two blade shockwave resistant valves according to any of claims 1 to 7, said frames being fixed side by side.

9. The blade-type bi-directional shock wave valve as recited in claim 8, wherein: the installation positions of the blades in the two blade type shock wave resistant valves are in one-to-one correspondence and are arranged in the opposite direction, and the ventilation channels communicated with each other in the two blade type shock wave resistant valves are linear.

10. The blade-type bi-directional shock wave valve as recited in claim 8, wherein: the installation positions of the blades in the two blade type shock wave resistant valves are in one-to-one correspondence and are symmetrically arranged, and the ventilation channels communicated with each other in the two blade type shock wave resistant valves are in a broken line shape.